/Engine/Plugins/Media/MediaIOFramework/Source/MediaIOCore/Public/MediaCapture.h
Captures a resource immediately from the render thread. Used in RHI_RESOURCE capture mode
void CaptureImmediate_RenderThread ( [FRDGBuilder](API\Runtime\RenderCore\FRDGBuilder) & GraphBuilder, [FRHITexture](API\Runtime\RHI\FRHITexture) * InSourceTexture, FIntRect SourceViewRect )